The population of the US in 1920 was 106 million. So the author is an idiot, or was counting fingers rather than noses.
>>So the author is an idiot,
A useful one.
https://twitter.com/harveyday94?lang=en
https://uk.linkedin.com/in/h94day
He’s a typical pink/rainbow SJW poodle trying to manufacture a ride on the coat-tails of somebody Else’s “tragedy”.